Durable Capital Master Fund trims Andersen Group (ANDG) stake in open-market sale

Rhea-AI Filing Summary

Durable Capital Master Fund LP, an entity associated with Durable Capital Partners LP, reported an open-market sale of 336,736 shares of Andersen Group Inc. Class A common stock at $40.01 per share. After this transaction, the fund continues to hold 1,333,749 shares indirectly. The filing notes that Durable Capital Partners LP, as investment adviser, has sole voting and investment power over these securities, and related parties disclaim beneficial ownership except for any pecuniary interest.

Insights

Equity ownership analyst

Large shareholder executes open-market sale but keeps sizable stake.

A fund advised by Durable Capital Partners LP executed an open-market sale of 336,736 Andersen Group Class A shares at $40.01. The transaction is reported as an indirect holding, with Durable Capital exercising sole voting and investment power.

Following the sale, the fund still holds 1,333,749 shares, indicating it remains a significant shareholder. The filing also states that the fund, adviser, general partner and key individual disclaim beneficial ownership beyond any pecuniary interest, underscoring that the position is managed institutionally rather than personally.

Insider Trade Summary

Net Seller: 336,736 shares ($13,472,807)

Net Sell 1 txn

Insider Durable Capital Partners LP

Role null

Sold 336,736 shs ($13.47M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	336,736	$40.01	$13.47M

Holdings After Transaction: Class A Common Stock — 1,333,749 shares (Indirect, See footnote (1))

Footnotes (1)

1. [object Object]

Key Figures

Shares sold: 336,736 shares Sale price: $40.01 per share Shares held after sale: 1,333,749 shares +3 more

6 metrics

Shares sold 336,736 shares Class A Common Stock sold in open-market transaction

Sale price $40.01 per share Price for Andersen Group Class A shares on transaction date

Shares held after sale 1,333,749 shares Indirect Andersen Group holdings following transaction

Transaction code S Open-market or private sale of non-derivative securities

Ownership type Indirect Reported as indirectly owned via Durable Capital Master Fund LP

Net share change −336,736 shares Net sell direction from transaction summary

Key Terms

open-market sale, ten percent owner, indirect ownership, investment adviser, +1 more

5 terms

open-market sale financial

"transaction_action: "open-market sale" for the Class A Common Stock"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

ten percent owner regulatory

"Durable Capital Partners LP is indicated as a ten percent owner"

indirect ownership financial

"the holding is reported with ownership_code "I" indicating indirect ownership"

investment adviser financial

"Durable Capital Partners LP acts as the investment adviser to Durable Capital Master Fund"

An investment adviser is a person or firm that professionally manages money and gives recommendations about buying, selling, or holding investments. Like a financial coach or guide, they have a legal duty to act in a client's best financial interest, so their advice, fees and potential conflicts can directly affect returns and risk — making their role important for investors who want informed, accountable help with portfolios.

pecuniary interest financial

"parties disclaim beneficial ownership except to the extent of any pecuniary interest therein"

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/09/2026 - 04:17 PM Accepted by SEC EDGAR 07/09/2026 - 04:16 PM Learn about SEC filing dates

FAQ

What did Durable Capital report in this Andersen Group (ANDG) Form 4?

The filing reports an open-market sale of 336,736 Class A shares of Andersen Group at $40.01 per share. The shares are held by Durable Capital Master Fund LP, advised by Durable Capital Partners LP.

How many Andersen Group (ANDG) shares does the fund hold after the sale?

After the reported sale, Durable Capital Master Fund LP holds 1,333,749 Class A common shares of Andersen Group. These shares are reported as indirectly owned, with Durable Capital Partners LP having sole voting and investment power.

Was the Andersen Group (ANDG) transaction a buy or sell for Durable Capital?

The Form 4 shows a sell transaction. Durable Capital Master Fund LP conducted an open-market sale of 336,736 Andersen Group Class A shares at a price of $40.01 per share, reducing its position while remaining a sizable holder.

Who actually holds the Andersen Group (ANDG) shares related to Durable Capital?

The shares are held directly by Durable Capital Master Fund LP. Durable Capital Partners LP acts as investment adviser with sole voting and investment power over the securities reported in the Form 4 for Andersen Group.

Does Durable Capital claim full beneficial ownership of its Andersen Group (ANDG) shares?

The filing states that Durable Capital Master Fund LP, Durable Capital Partners LP, Durable GP, and Henry Ellenbogen disclaim beneficial ownership of the reported Andersen Group securities, except to the extent of any pecuniary interest they may have.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

X

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Durable Capital Partners LP

(Last) (First) (Middle)

4747 BETHESDA AVENUE

SUITE 1002

(Street)

BETHESDA MARYLAND 20814

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Andersen Group Inc. [ ANDG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/07/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	07/07/2026		S		336,736	D	$40.01	1,333,749	I	See footnote (1)(1)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The securities are held directly by Durable Capital Master Fund LP ("Durable Capital Master Fund"). Durable Capital Partners LP ("Durable Capital") acts as the investment adviser to Durable Capital Master Fund and has sole voting power and sole investment power over the securities reported on this Form 4. Durable Capital Partners GP LLC ("Durable GP") is the general partner of Durable Capital, and Henry Ellenbogen is the chief investment officer of Durable Capital and the managing member of Durable GP. Each of Durable Capital Master Fund, Durable Capital, Durable GP and Mr. Ellenbogen disclaim beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

	Durable Capital Partners LP, By: Michael Blandino, its Authorized Person	07/09/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)